25622780

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2459}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 53933040

約数和(自身を除く): 28310260

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2459, 2605, 4918, 5210, 9836, 10420, 12295, 24590, 49180, 1281139, 2562278, 5124556, 6405695, 12811390, 25622780]

約数ペア:

[(1, 25622780), (2, 12811390), (4, 6405695), (5, 5124556), (10, 2562278), (20, 1281139), (521, 49180), (1042, 24590), (2084, 12295), (2459, 10420), (2605, 9836), (4918, 5210)]